What Is The Great Wall Of China Separating. In the yan state two separate defensive lines were prepared—the northern wall and the yishui wall—in an effort to defend the kingdom from attacks by northern groups such as the donghu, linhu, and loufan, as well. The great wall of china is a series of fortifications that were built across the historical northern borders of ancient chinese states and imperial china as protection against various nomadic groups from the.
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The chinese name for the great wall of china is changcheng, which means long wall. The great wall of china is a series of fortifications that were built across the historical northern borders of ancient chinese states and imperial china as protection against various nomadic groups from the. The great wall was once used as a tactical advantage against the invading japanese army during world war ii. Over the following 2,500 years, more than.